Renseignements généraux

Nº de série

41450

Nº de partie

1

Nombre total de parties

1

Ou

S/O

Brevets

S/O

Description générale

WOODEN BENCH (STAND) TO MOUNT COMPONENTS. CAST IRON BASE & END BELLS. STEEL MOTOR GENERATOR CASE. COMMON SHAFT & ARMATURE CORE OF LAMINATED STEEL. LAMINATED STEEL ROTOR; LAMINATED STEEL & COPPER FIELD, STATOR & ARMATURE. WINDINGS ARE INSULATED COPPER WIRE. COMMUTATOR IS COPPER WITH MICA INSULATION. CARBON BRUSHES; BAKELITE & ALUMINUM BRUSH HOLDERS; CAST STEEL BRUSH HOLDER MOUNT. BRONZE BEARINGS, SUMP LUBRICATION.

Dimensions

Remarque : Cette information reflète la taille générale pour l’entreposage et ne représente pas nécessairement les véritables dimensions de l’objet.

Longueur

122,0 cm

Largeur

30,0 cm

Hauteur

70,0 cm

Épaisseur

S/O

Poids

S/O

Diamètre

S/O

Volume

S/O

Lexique

Groupe

Énergie-électrique

Catégorie

Génération

Sous-catégorie

S/O

Fabricant

Ou

ESCO

Pays

United States of America

État/province

Connecticut

Ville

Stamford

Contexte

Pays

Amérique du Nord

État/province

Inconnu

Période

THIS TYPE OF MOTOR GENERATOR USED C. 1925- 1935.

Canada

PART OF A LARGE & VARIED COLLECTION OF ELECTRICAL ITEMS ACQUIRED BY ONTARIO HYDRO IN THE 1960S. THIS COLLECTION CONSISTS OF OVER 7500 ARTIFACTS, AND IS THOUGHT TO BE THE LARGEST & MOST COMPREHENSIVE IN CANADA. IT WAS DONATED IN ITS ENTIRETY TO THE NATIONAL MUSEUM OF SCIENCE & TECHNOLOGY IN 1992.

Fonction

TO CONVERT 110V 60HZ ALTERNATING CURRENT INTO 1000V 5A DIRECT CURRENT.

Technique

EXAMPLE OF EARLY POWER SUPPLY SYSTEM PRIOR TO HIGH VOLTAGE, HIGH CURRENT, VACUUM TUBE (MERCURY RECTIFIER) TUBES. TODAY ( 1997) THIS SYSTEM WOULD BE SOLID STATE- THAT IS, TRANSFORMER & SOLID STATE RECTIFIER. PROBABLY USED IN BROADCAST RADIO TRANSMITTER DESIGNED C. 1922- 1930. (AS PER GEB)

Notes sur la région

Inconnu

Détails

Marques

Mfr's plate on motor end reads: " ELECTRIC SPECIALTY CO./ STAMFORD CONN. U.S.A./ TRADE [ESCO LOGO] MARK/ ALTERNATING CURRENT/ TYPE B625 VOLTS 110 H.P. 1/ PH. 1 CYC. 60 R.P.M. 3500/ NO. 41450 AMPS. FUSE ". Small plate mounted on band over join of motor & generator reads: " 792 ". Second plate, on generator end, reads: " ELECTRIC SPECIALTY CO./ STAMFORD, CONN.U.S.A./ TRADE [ESCO LOGO] MARK/ DIRECT-CURRENT/ TYPE R324 NO. 56119/ VOLTS 1000 AMP..5 R.P.M. 3500/ H.P. WIND'G COMP. FUSE AMP. "/ Plate on switch box reads: " PATENTED WARD LEONARD RHEOSTAT/ TYPE SPEC. NO. 19241/ VOLTS AMPS OHMS 1000/ WARD LEONARD ELECTRIC CO./ MOUNT VERNON, N.Y., U.S.A. "./ Fitted with " VOLTAGE FUSE ": text not accessible for transcription./ All connections, etc. labelled.

Manque

NONE

Fini

BLACK ENAMEL FINISH.

Décoration

S/O